43021222132 has 24 divisors (see below), whose sum is σ = 86046976064. Its totient is φ = 18436695552.

The previous prime is 43021222109. The next prime is 43021222133. The reversal of 43021222132 is 23122212034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43021222133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826708 + ... + 877204.

Almost surely, 2^43021222132 is an apocalyptic number.

It is an amenable number.

43021222132 is an abundant number, since it is smaller than the sum of its proper divisors (43025753932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43021222132 is a wasteful number, since it uses less digits than its factorization.

43021222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80935 (or 80933 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 43021222132 its reverse (23122212034), we get a palindrome (66143434166).

The spelling of 43021222132 in words is "forty-three billion, twenty-one million, two hundred twenty-two thousand, one hundred thirty-two".